How to discard messages where Postfix from=<>

Google ignores search term "<>", so if this
has been answered I can't
find the solution.

I'm stuck with an old version of Postfix (1.1.3).  I believe
amavisd is
v2.4.0 dated 20060403.

I wish to have amavis discard all messages where the Postfix
log says:
 connect from FQDN[IP]
 client=FQDN[IP]
 message-id=<ID>
 from=<>, size=SIZE, nrcpt=1 (queue active)
       ^^^^^^^ 
Can you please either give me the text of a line to enter
into
amavisd.conf or a pointer to where I can find my answer?
--
gypsy

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* gypsy <gypsyiswest.com> [2007-12-22 17:18:42
-0800]:

> Google ignores search term "<>", so if
this has been answered I can't
> find the solution.

"<>" is often referred to as the null
address; search google with that term.
                                                            
               
> I'm stuck with an old version of Postfix (1.1.3).

Upgrade!

> I wish to have amavis discard all messages where the
Postfix log says:
>  connect from FQDN[IP]
>  client=FQDN[IP]
>  message-id=<ID>
>  from=<>, size=SIZE, nrcpt=1 (queue
active)
>        ^^^^^^^ 
> Can you please either give me the text of a line to
enter into
> amavisd.conf or a pointer to where I can find my
answer?

This is not a good idea.  Legitimate bounces that you do not
want to 
discard are sent from the null address.

-- 
Sahil Tandon <sahiltandon.net>

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2007/12/22, gypsy <gypsyiswest.com>:
> Google ignores search term "<>", so if
this has been answered I can't
> find the solution.
>
> I'm stuck with an old version of Postfix (1.1.3).  I
believe amavisd is
> v2.4.0 dated 20060403.
>
> I wish to have amavis discard all messages where the
Postfix log says:
>  connect from FQDN[IP]
>  client=FQDN[IP]
>  message-id=<ID>
>  from=<>, size=SIZE, nrcpt=1 (queue
active)
>        ^^^^^^^
> Can you please either give me the text of a line to
enter into
> amavisd.conf or a pointer to where I can find my
answer?
> --
> gypsy

Well, you could implement vbounce rules from SA (Ibelieve
they're
standard as a module since the start of the 3.x series, i.e,
the
vbounce.pm module), and ONLY accept bounces from servers
named as
local or all_trusted in your local.cf.
That should do the trick.

And here you have a link to Justin Mason's blog about spam
and hother
issues, and an article about your concerns:

http://taint
.org/2007/05/30/164456a.html

Happy holidays,

Luis
>
>
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>


-- 
-------------------------------------------------
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Linux Registered User #448382.
When I grow up, I wanna be like Theo...
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Sahil Tandon wrote:
> 
> * gypsy <gypsyiswest.com> [2007-12-22 17:18:42
-0800]:
> 
> > Google ignores search term "<>",
so if this has been answered I can't
> > find the solution.
> 
> "<>" is often referred to as the null
address; search google with that term.

A search for:
  amavisd.conf "null address" -SQL
fails to return anything useful.

So I'm still looking for:
> > Can you please either give me the text of a line
to enter into
> > amavisd.conf or a pointer to where I can find my
answer?
--
gypsy

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gypsy wrote:
> Sahil Tandon wrote:
>> * gypsy <gypsyiswest.com> [2007-12-22
17:18:42 -0800]:
>>
>>> Google ignores search term
"<>", so if this has been answered I can't
>>> find the solution.
>> "<>" is often referred to as the
null address; search google with that term.
> 
> A search for:
>   amavisd.conf "null address" -SQL
> fails to return anything useful.
> 

try "null sender address", without anything else.
see
	http://en
.wikipedia.org/wiki/Bounce_message
for example. The null sender address is mandated by the
RFCs. if you
reject it, you will be a candidate for listing at
	http://www
.rfc-ignorant.org/policy-dsn.php

if you receive too much backscatter, see postfix BACKSCATTER
README for
ideas that will help you block such junk. but don't block
the null
sender address. this is the wrong pattern.



> So I'm still looking for:
>>> Can you please either give me the text of a
line to enter into
>>> amavisd.conf or a pointer to where I can find
my answer?

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